The sky was dark violet over the black ridges.

I pulled the binoculars out and studied those black ridges.

She borrowed the binoculars and studied the black ridges to our right, the dark hills to the left of the river.

This species can be identified by the thin black and white ridges that run longitudinally down its back.

Inside their upper jaws are parallel black ridges, most remarkable.

The two men looked up the slope and picked out the outline of the black ridge against the star-studded sky.

Or just beyond that black ridge projecting into the starscape; but how would he know?

The group straggled off across the snow, north toward the black ridge.

The third moon had barely crossed the black ridges marking the horizon of World.

Ahead of me I could see a ridge, black against the sky.